Combined Cycle Power Generation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Combined Cycle Power Generation, a fundamental topic in the field of Power Plant Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Combined Cycle Power Generation MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Combined Cycle Power Generation mcq questions that explore various aspects of Combined Cycle Power Generation problems. Each MCQ is crafted to challenge your understanding of Combined Cycle Power Generation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Power Plant Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Combined Cycle Power Generation MCQs are your pathway to success in mastering this essential Power Plant Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Combined Cycle Power Generation. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Combined Cycle Power Generation knowledge to the test? Let's get started with our carefully curated MCQs!

Combined Cycle Power Generation MCQs | Page 1 of 8

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Q1.
Addition of an infinitesimal amount of heat at the highest temperature is because ___________

a.

to initiate reheating

b.

to initiate regeneration

c.

to initiate superheating

d.

none of the mentioned

Discuss
Answer: (c).to initiate superheating
Q2.
High moisture content is involved during expansion of steam because ___________

a.

to ensure uniform heating

b.

to ensure uniform cooling

c.

to obtain a higher temperature of heat addition

d.

to obtain a lower temperature of heat addition

Discuss
Answer: (c).to obtain a higher temperature of heat addition
Q3.
What is the relation of the mean temperature of heat addition and cycle efficiency?

a.

both are inversely proportional

b.

both are directly proportional

c.

both are independent of each other

d.

none of the mentioned

Discuss
Answer: (b).both are directly proportional
Q4.
Temperature of heat rejection in a condenser can be lowered by using?

a.

lubricant

b.

oil

c.

refrigerant

d.

diesel

Discuss
Answer: (c).refrigerant
Q5.
The use of which of the following becomes necessary during expansion of steam?

a.

reheat

b.

regeneration

c.

refrigeration

d.

superheat

Discuss
Answer: (a).reheat
Q6.
Which is the drawback of the steam as a working substance in a power cycle?

a.

in a vapour power cycle, maximum temperature which can be obtained with best available material is more than the critical temperature of water and requires large superheating

b.

it allows only small amount of heat addition at the highest temperature

c.

it requires reheat and reheater tubes are costly

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q7.
For maximum efficiency of vapour power cycle, what should be the critical temperature of working fluid?

a.

the working fluid should have critical temperature as low as possible

b.

the working fluid should have critical temperature as high as possible

c.

the critical temperature does not affect the efficiency of the vapour power cycle

d.

none of the mentioned

Discuss
Answer: (b).the working fluid should have critical temperature as high as possible
Q8.
What is the specific heat of the ideal working fluid used in vapour power cycle?

a.

should be constant

b.

should be large

c.

should be small

d.

none of the mentioned

Discuss
Answer: (c).should be small
Q9.
What is the importance of the freezing point of the working fluid in the vapour power cycle?

a.

freezing point of working fluid should be below the room temperature

b.

freezing point of working fluid should be above the room temperature

c.

freezing point of working fluid should be equal to the room temperature

d.

does not have any importance

Discuss
Answer: (a).freezing point of working fluid should be below the room temperature
Q10.
When two vapour cycles are coupled in series and heat rejected by one is absorbed by another, the cycle is called as?

a.

Dual vapour cycle

b.

Binary vapour cycle

c.

Coupled vapour cycle

d.

None of the mentioned

Discuss
Answer: (b).Binary vapour cycle
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